Webasto Air Top 2000 STC Installation Instructions Manual page 7

Statutory regulations governing installation
3.1.2 The combustion heater shall be switched on manually. Programming
devices shall be prohibited.
3.2 EX/II, EX/III and MEMU vehicles
Combustion heaters using gaseous fuels are not permitted.
3.3 FL vehicles
3.3.1 The combustion heaters shall be put out of operation by at least the
following methods:
a) Intentional manual switching off from the driver's cab;
b) Stopping of the vehicle engine; in this case the heating device
may be restarted manually by the driver;
c) Start up of a feed pump on the motor vehicle for the danger-
ous goods carried.
[1] Compliance with this paragraph shall be verified on the completed ve-
hicle.
End of excerpt.
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Air Top 2000 STC